[pulseview.git] / pv / storesession.h

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#ifndef PULSEVIEW_PV_STORESESSION_H
#define PULSEVIEW_PV_STORESESSION_H

#include <stdint.h>

#include <atomic>
#include <mutex>
#include <string>
#include <thread>

#include <QObject>

namespace pv {

class SigSession;

namespace data {
class LogicSnapshot;
}

class StoreSession : public QObject
{
	Q_OBJECT

private:
	static const size_t BlockSize;

public:
	StoreSession(const std::string &file_name,
		const SigSession &session);

	~StoreSession();

	std::pair<uint64_t, uint64_t> progress() const;

	const QString& error() const;

	bool start();

	void wait();

	void cancel();

private:
	void store_proc(std::shared_ptr<pv::data::LogicSnapshot> snapshot);

signals:
	void progress_updated();

private:
	const std::string _file_name;
	const SigSession &_session;

	std::thread _thread;

	std::atomic<bool> _interrupt;

	std::atomic<uint64_t> _units_stored, _unit_count;

	mutable std::mutex _mutex;
	QString _error;
};

} // pv

#endif // PULSEVIEW_PV_STORESESSION_H
Commit	Line	Data
0fbda3c2 JH	1	/*
	2	* This file is part of the PulseView project.
	3	*
	4	* Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#ifndef PULSEVIEW_PV_STORESESSION_H
	22	#define PULSEVIEW_PV_STORESESSION_H
	23
	24	#include <stdint.h>
	25
3b68d03d JH	26	#include <atomic>
3b68d03d JH	27	#include <mutex>
0fbda3c2	28	#include <string>
3b68d03d	29	#include <thread>
0fbda3c2 JH	30
	31	#include <QObject>
	32
	33	namespace pv {
	34
	35	class SigSession;
	36
	37	namespace data {
	38	class LogicSnapshot;
	39	}
	40
	41	class StoreSession : public QObject
	42	{
	43	Q_OBJECT
	44
	45	private:
	46	static const size_t BlockSize;
	47
	48	public:
	49	StoreSession(const std::string &file_name,
	50	const SigSession &session);
	51
	52	~StoreSession();
	53
	54	std::pair<uint64_t, uint64_t> progress() const;
	55
	56	const QString& error() const;
	57
	58	bool start();
	59
	60	void wait();
	61
	62	void cancel();
	63
	64	private:
f9abf97e	65	void store_proc(std::shared_ptr<pv::data::LogicSnapshot> snapshot);
0fbda3c2 JH	66
	67	signals:
	68	void progress_updated();
	69
	70	private:
	71	const std::string _file_name;
	72	const SigSession &_session;
	73
3b68d03d JH	74	std::thread _thread;
	75
	76	std::atomic<bool> _interrupt;
0fbda3c2	77
b101c41e JH	78	std::atomic<uint64_t> _units_stored, _unit_count;
b101c41e JH	79
3b68d03d	80	mutable std::mutex _mutex;
0fbda3c2 JH	81	QString _error;
	82	};
	83
	84	} // pv
	85
	86	#endif // PULSEVIEW_PV_STORESESSION_H